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Changing the Tele-control Protocol to support Substation Based Intelligent Alarm Processing and Direct Control Staff Interaction with the Substation RTU/Gateway

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1 Author(s)
Candy, R. ; Eskom Transm. Syst. Oper. Dept., Germiston

This paper discusses the use of the substation "device" and "bay" object as the primary vehicle for the communication of the overall "substation" state to the SCADA master rather than via the reporting of large numbers of individual (discrete) status and analog points. The reason for changing the method of data reporting is based the need to reduce the quantities of data sent to both the SCADA master station and the control staff during power system disturbances. To facilitate the transmission of bay and substation states to the SCADA master, the telecommunications protocol needs to be modified to support additional data format which must be matched by changes to the SCADA master data base.

Published in:

Power Engineering Society Conference and Exposition in Africa, 2007. PowerAfrica '07. IEEE

Date of Conference:

16-20 July 2007